I made the decision that I am an athiest a few months ago. I always get in the debate about what atheism is well here it is.
“Atheism, as an explicit position, can be either the affirmation of the nonexistence of gods,[1] or the rejection of theism.[2] It is also[3] defined more broadly as an absence of belief in deities, or nontheism.[4]Many self-described atheists are skeptical of all supernatural beings and cite a lack of empirical evidence for the existence of deities. Others argue for atheism on philosophical, social or historical grounds. Although many self-described atheists tend toward secular philosophies such as humanism[5] and naturalism,[6] there is no one ideology or set of behaviors to which all atheists adhere;[7] and some religions, such as Jainism and Buddhism, do not require belief in a personal god.”